WIRELESS POWER TRANSFER SYSTEM, POWER TRANSMISSION DEVICE, AND POWER RECEPTION DEVICE

A wireless power transfer system includes a power transmission device and a power reception device . The power transmission device is a power transmission device installed in a road , is provided with a power transmission coil that transmits power wirelessly, and is configured such that when installed in the road , the normal line of a coil plane of the power transmission coil is inclined with respect to the normal line of the road surface of the road in a lateral cross section of the road . The power reception device is provided with a power reception coil that receives power wirelessly, and at least a portion of the power reception coil is housed in the wheel of the moving body